微囊 Traditional form: 微囊 Pinyin (reading): wēináng Definitions: (pharm.) microcapsule Characters: 微 - small, tiny, trifling; micro- 囊 - bag, purse, sack; to pocket, to stow Traditional characters: 微 - small, tiny, trifling; micro- 囊 - bag, purse, sack; to pocket, to stow